Réponses

2013-12-30T01:50:52+01:00
A=(x-3)(x-3) + (x-3)(1-2x)
A=(x-3)[(x-3)(1-2x)]
A=(x-3)(x-3+1-2x)
A=(x-3)(-1x-2)
2013-12-30T02:02:24+01:00
A = (x - 3)² + (x - 3)(1 - 2x)
A = (x - 3)(x - 3) + (x - 3)(1 - 2x)
A = (x - 3)(x - 3 + 1 - 2x)
A = (x - 3)(- x - 2).